下列反应在任何温度下均能自发进行的是
A.2H2O2(l)= O2(g)+ 2H2O (l)△H=" -" 196 kJ•mol-1 |
B.2N2(g)+ O2(g)= 2N2O(g)△H=" +163" kJ•mol-1 |
C.2Ag(s)+ Cl2(g)= 2AgCl(s)△H=" -" 254 kJ•mol-1 |
D.2HgO(s)= 2Hg(l)+ O2(g)△H= +182kJ•mol-1 |
下列反应在任何温度下均能自发进行的是
A.2H2O2(l)= O2(g)+ 2H2O (l)△H=" -" 196 kJ•mol-1 |
B.2N2(g)+ O2(g)= 2N2O(g)△H=" +163" kJ•mol-1 |
C.2Ag(s)+ Cl2(g)= 2AgCl(s)△H=" -" 254 kJ•mol-1 |
D.2HgO(s)= 2Hg(l)+ O2(g)△H= +182kJ•mol-1 |